CN104196464B - Tubing string string and bridging plug set the method made with abrasive perforating connection - Google Patents
Tubing string string and bridging plug set the method made with abrasive perforating connection Download PDFInfo
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- CN104196464B CN104196464B CN201410428533.XA CN201410428533A CN104196464B CN 104196464 B CN104196464 B CN 104196464B CN 201410428533 A CN201410428533 A CN 201410428533A CN 104196464 B CN104196464 B CN 104196464B
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Abstract
The embodiment of the invention discloses a kind of tubing string string, is given up including at least coiled tubing connector, the machinery being in series, centralizer, collar locator, abrasive perforating sliding sleeve, hydraulic setting tool and bridging plug；Abrasive perforating sliding sleeve, hydraulic setting tool and the bridging plug from the tubing string string coiled tubing connector one end to being sequentially connected in series on the direction of the other end；The coiled tubing connector is used to be connected with coiled tubing.The present invention completes bridging plug tripping in using continuous oil pipe device can, bridging plug sets whole operation, the equipment employed is few when therefore constructing, process is few, it is artificial less, can avoid using firer's equipment, security performance is high, to the strong adaptability of hole condition, bridging plug is bored except rear full-bore can realize sleeve pipe horizontal well huge discharge staged fracturing.The method made with abrasive perforating connection is set the invention also discloses a kind of bridging plug.
Description
Technical field
The present invention relates to petroleum technology field, and more specifically to a kind of tubing string string and bridging plug is set and abrasive perforating
Join the method made.
Background technology
When horizontal well carries out bridging plug and perforating job, generally with the method for waterpower pumping bridging plug, perforating gun, the method tool
There is the characteristics of packing is reliable, classification pressure break series is unrestricted, crack placement is accurate, in recent years at home and abroad unconventional oil
It is used widely in gas reservoir.
Existing waterpower pumping bridging plug, the method for perforating gun are the tubing string strings made with cable tripping in bridging plug with perforation connection, so
Infusion liquid in backward well, the flowing of liquid will promote bridging plug and its connection to make instrument to precalculated position.Then it is powered by cable
Start bridging plug setting tool, given up after setting bridging plug.Tubing string string is dragged to precalculated position, makes perforating gun alignment target position, so
Be powered igniting perforation afterwards, and passage is provided for well fracturing.Recur perforation hole rifle and bridging plug tripping in instrument, starts first paragraph pressure
Split.After completing first paragraph pressure break, with same method, according to the requirement of tripping in hop count, tripping in bridging plug successively, perforation, pressure break.Point
After the completion of section pressure break, all bridging plugs are removed using oil pipe or continuous tubing drill, then carry out pilot production or operation.
Needed by the way of cable tripping in perforating gun it is extra carry out bridging plug tripping in using cable car, perforation troop and match somebody with somebody
Complete equipment sets completing bridging plug and well-case perforating, and instrument provider provides underground supporting operation instrument etc., in oil field,
Above-mentioned three business are not that a company can possess simultaneously so that existing waterpower pumping bridging plug and perforation axle-linked cable-car
The equipment that the method for string is employed in work progress is more, and process is more, artificial more, and needs to employ firer's equipment, security control
It is required that it is high, it is weak to the bad adaptability of severe hole condition, capability in handling accident.
Therefore, the problem of how avoiding the security difference caused by needing to use firer's equipment, turns into art technology
Personnel's technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, the side made with abrasive perforating connection is set it is an object of the invention to provide a kind of tubing string string and bridging plug
Method, the problem of to avoid the security difference caused by needing to use firer's equipment.
To achieve the above object, the present invention provides following technical scheme：
A kind of tubing string string, given up including at least coiled tubing connector, the machinery being in series, centralizer, collar locator,
Abrasive perforating sliding sleeve, hydraulic setting tool and bridging plug；
Abrasive perforating sliding sleeve, hydraulic setting tool and the bridging plug by the tubing string string coiled tubing connector one end
It is sequentially connected in series on to the direction of the other end；
The coiled tubing connector is used to be connected with coiled tubing.
Preferably, in above-mentioned tubing string string, the machinery, which is given up, is arranged at the coiled tubing connector and the righting
Between device；
The collar locator is arranged between the centralizer and the abrasive perforating sliding sleeve.
Preferably, in above-mentioned tubing string string, the bridging plug includes：
Center-pole；
It is fixed on the top connection of described center-pole one end；
The extrusion ring being sheathed on the center-pole；
It is fixed on the leading cone of the center-pole other end；
It is sheathed on the center-pole, and the bridging plug annular space part between the extrusion ring and the leading cone.
Preferably, in above-mentioned tubing string string, the bridging plug annular space part includes two slip assemblies and is arranged at two slips
Packing element between component.
Preferably, in above-mentioned tubing string string, the slip assemblies include：
The conical guide member being connected with the packing element；
Be connected with the conical guide member, have stress concentration groove monoblock type slips, the conical guide member it is straight
The less one end in footpath is inserted in the slips.
Preferably, in above-mentioned tubing string string, the centre bore of the center-pole is blocked by the blind plugging with seal, and described
Blind plugging is arranged in the center-pole close to one end of the top connection.
Preferably, in above-mentioned tubing string string, the top connection is connected with the center-pole, and is provided with the top connection
Plastic item.
Preferably, in above-mentioned tubing string string, the top connection and the leading cone are occlusion structure.
A kind of bridging plug sets the method made with abrasive perforating connection, including step：
1) the tubing string string described in as above any one is sent to underground with coiled tubing, by collar locator, by described in
Tubing string string is sent to precalculated position, bridging plug is directed at predetermined setting position；
2) start the hydraulic setting tool to set the bridging plug and depart from the hydraulic setting tool and the bridging plug；
3) coiled tubing is above carried, by the positioning of the collar locator, makes the abrasive perforating sliding sleeve alignment is predetermined to penetrate
Hole site, nozzle of the perforating fluid through the abrasive perforating sliding sleeve, sleeve pipe, cement sheath and near wellbore formation are shot through, form preforation tunnel；
4) rise and tubing string string, implement huge discharge pressing crack construction in sleeve pipe, complete this section of construction；
5) after completing all sections of pressure break, tripping in bores mill bridging plug tubing string brill and grinds off all bridging plugs.
Preferably, set in above-mentioned bridging plug in the method made with abrasive perforating connection, contain quartz sand in the perforating fluid.
It can be seen from the above technical scheme that during using tubing string string operation provided by the invention, by coiled tubing with
Coiled tubing connector is connected, and realizes the connection with tubing string string, and the rigidity of tubing string string is improved using centralizer, is made in work progress
Tubing string string is placed in the middle.The present invention uses coiled tubing, and hydraulic setting tool single-stage or Multi-stage hydraulic cylinder set bridging plug and given up, and bridging plug is sat
Envelope is complete, and bridging plug packing is reliable.Collar locator school is deeply accurate, it is ensured that perforating site is accurate.The present invention is set using coiled tubing
Standby can completes bridging plug tripping in, bridging plug sets whole operation, thus the equipment employed when constructing is few, process is few, it is artificial less, can
To avoid using firer's equipment, security performance is high, and to the strong adaptability of hole condition, bridging plug is bored except rear full-bore can realize sleeve water
Horizontal well huge discharge staged fracturing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of structural representation for tubing string string that Fig. 1 is provided by the embodiment of the present invention；
The sectional view for the bridging plug that Fig. 2 is provided by the embodiment of the present invention.
Wherein, 100 be coiled tubing connector, and 200 give up for machinery, and 300 be centralizer, and 400 be collar locator,
500 be abrasive perforating sliding sleeve, and 600 be hydraulic setting tool, and 700 be bridging plug；
701 be top connection, and 702 be plastic item, and 703 be blind plugging, and bar centered on 704,705 be packing element, and 706 be monoblock type card
Watt, 707 be leading cone, and 708 be extrusion ring, and 709 be conical guide member.
Embodiment
The core of the present invention is to provide a kind of tubing string string and bridging plug and sets the method made with abrasive perforating connection, with avoid by
In the security difference caused by needing to use firer's equipment the problem of.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim
The content of the invention rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to as right
It is required that necessary to the solution of described invention.
Refer to Fig. 1 and Fig. 2, a kind of structural representation for tubing string string that Fig. 1 is provided by the embodiment of the present invention；Fig. 2 is
The sectional view for the bridging plug that the embodiment of the present invention is provided.
Tubing string string provided in an embodiment of the present invention, including coiled tubing connector 100, the machinery being in series are given up 200, helped
Positive device 300, collar locator 400, abrasive perforating sliding sleeve 500, hydraulic setting tool 600 and bridging plug 700.Abrasive perforating sliding sleeve
500 cut pin or shearing ring by being suppressed into tubing string string, realize sliding sleeve displacement, open the passage of perforation.
Abrasive perforating sliding sleeve 500, hydraulic setting tool 600 and bridging plug 700 by tubing string string coiled tubing connector 100
One end is to being sequentially connected in series on the direction of the other end, i.e., abrasive perforating sliding sleeve 500, hydraulic setting tool 600 and bridging plug 700 need to press
According to fixed sequential series, the position of other parts can be mutually adjusted, and coiled tubing connector 100 is used to connect with coiled tubing
Connect.200, centralizer 300, collar locator 400, abrasive perforating sliding sleeve 500, hydraulic setting it should be noted that machinery is given up
Instrument 600 and bridging plug 700 can be prior art identical part, and improvement of the invention is to increase coiled tubing connector
100, and the series sequence of all parts.
During using tubing string string operation provided by the invention, it is connected, is realized with coiled tubing connector 100 by coiled tubing
With the connection of tubing string string, the rigidity of tubing string string is improved using centralizer 300, makes tubing string string placed in the middle in work progress.The present invention makes
With coiled tubing, the single-stage or Multi-stage hydraulic cylinder of hydraulic setting tool 600 set bridging plug and given up, and bridging plug 700 is set completely, bridging plug
700 packings are reliable.The school of collar locator 400 is deeply accurate, it is ensured that perforating site is accurate.The present invention can using continuous oil pipe device
To complete bridging plug tripping in, bridging plug set whole operation, only a company's can completes whole operations, therefore employs when constructing
Equipment is few, process is few, it is artificial less, can avoid use firer's equipment, security performance is high, to the strong adaptability of hole condition, bridging plug brill
Except rear full-bore can realize sleeve pipe horizontal well huge discharge staged fracturing.
In an of the invention specific embodiment, machinery, which is given up, 200 is arranged at coiled tubing connector 100 and centralizer 300
Between；Collar locator 400 is arranged between centralizer 300 and abrasive perforating sliding sleeve 500.
Spring and fixture block are included in collar locator 400, spring withstands fixture block, fixture block is close to internal surface of sleeve pipe, passes through card
The frictional force of block and casing-contact carrys out precise positioning.Fixture block and casing wall contact on collar locator 400, can be connected to it
Under abrasive perforating sliding sleeve 500 provide centralizing function.Preferably, the fixture block on collar locator 400 is made using high-abrasive material
Or make Wear-resistant Treatment on fixture block surface, such as increase wearing layer.
In a specific embodiment of the invention, bridging plug 700 includes center-pole 704, top connection 701, extrusion ring 708, leading cone
707 and bridging plug annular space part.
Wherein, one end of center-pole 704 is fixed in top connection 701, and extrusion ring 708 is sheathed on center-pole 704, leading cone
707 are fixed on the other end of center-pole 704, and bridging plug annular space part is sheathed on center-pole 704, and are located at extrusion ring 708 and leading cone
Between 707.
Bridging plug annular space part includes two slip assemblies and the packing element 705 being arranged between two slip assemblies.Wherein, slips
Component is monoblock type slips 706.Wherein, conical guide member 709 is connected with packing element 705, have stress concentration groove slips 706 with
Conical guide member 709 connects, in the less one end insertion slips 706 of diameter of conical guide member 709.
Hydraulic setting tool 600 includes single-stage or Multi-stage hydraulic cylinder, and pin or shearing ring unlatching are cut by being built the pressure in pipe.Open
The packing element 705 and monoblock type slips 706 on the pushing cylinder extruding bridging plug 700 on rear hydraulic setting tool 600 are opened, realizes bridging plug 700
Set.The top connection of hydraulic setting tool 600 had chute wiper block, had centralizing function to abrasive perforating sliding sleeve 500.
In a specific embodiment of the invention, the centre bore of center-pole 704 is blocked by the blind plugging 703 with seal, and
Blind plugging 703 is arranged in center-pole 704 close to one end of top connection 701.
In a specific embodiment of the invention, top connection 701 coordinates with the screw thread of center-pole 704, and is set in top connection 701
There is plastic item 702.Top connection 701 and leading cone 707 are occlusion structure, are mutually twisted when boring mill bridging plug 700, prevent from rotating.
Most of composition of center-pole 704 and bridging plug 700 is made up of composite fibre, easily bores mill, discharge is easily returned from pit shaft
Come.The stretching of the end of hydraulic setting tool 600 sets bar and is connected with plastic item on bridging plug 702 by screw thread or other modes, sets
Set bar during bridging plug 700 with plastic item 702 to depart from, realization is given up.
Bridging plug disclosed in the embodiment of the present invention sets the method made with abrasive perforating connection, comprises the following steps：
1st, tubing string string disclosed in example will be performed as described above with coiled tubing and is sent to underground, by collar locator 400, will manage
Post string is sent to precalculated position, bridging plug 700 is directed at predetermined setting position；
2nd, start hydraulic setting tool 600 to set bridging plug 700 and depart from hydraulic setting tool 600 and bridging plug 700；At this
During, start the mode of hydraulic setting tool 600 to be suppressed in coiled tubing, cut the pin on hydraulic setting tool 600
Or shearing ring, the single-stage or Multi-stage hydraulic cylinder of hydraulic setting tool 600 produce thrust, pushing cylinder extruding bridging plug 700 is promoted；
1 packing element 705 and 2 monoblock type slips 706 are extruded by the pushing cylinder of hydraulic setting tool 600 on bridging plug 700, packing element
705 expansion packing tubing string strings and casing annulus, the radial dilatation of monoblock type slips 705 sting tight set inside pipe wall, realize that bridging plug 700 is covering
Bidirectionally anchoring in pipe, at the same time, realize the disengaging of hydraulic setting tool 600 and bridging plug 700.
3rd, coiled tubing is above carried, by the positioning of collar locator 400, abrasive perforating sliding sleeve 500 is directed at predetermined perforation
Position, nozzle of the perforating fluid through abrasive perforating sliding sleeve 500, sleeve pipe, cement sheath and near wellbore formation are shot through, form preforation tunnel；
Specifically, above carrying coiled tubing, positioned by collar locator 400, make the alignment of abrasive perforating sliding sleeve 500 is predetermined to penetrate
Hole site.Suppressed into tubing string string, after certain pressure of having sprained, the sliding sleeve in abrasive perforating sliding sleeve 500 by shear pin or is cut
Ring is cut, abrasive perforating sliding sleeve is opened.Perforating fluid is pumped into tubing string string, nozzle of the perforating fluid through abrasive perforating sliding sleeve 500, produced
High-speed jet, sleeve pipe, cement sheath and near wellbore formation are shot through, form preforation tunnel, there is provided pressure break passage.Contain quartz in perforating fluid
Sand, the intensity of jet can be improved.
4th, rise and tubing string string, implement huge discharge pressing crack construction in sleeve pipe, complete this section of construction；
5th, after completing all sections of pressure break, tripping in bores mill bridging plug tubing string brill and grinds off all bridging plugs.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (6)
1. a kind of tubing string string, it is characterised in that given up including at least coiled tubing connector (100), the machinery being in series
(200), centralizer (300), collar locator (400), abrasive perforating sliding sleeve (500), hydraulic setting tool (600) and bridging plug
(700)；
The top connection of the hydraulic setting tool (600) had chute wiper block, had righting to the abrasive perforating sliding sleeve (500)
Effect；
The abrasive perforating sliding sleeve (500), hydraulic setting tool (600) and bridging plug (700) by the tubing string string coiled tubing
One end of connector (100) is to being sequentially connected in series on the direction of the other end；
The coiled tubing connector (100) is used to be connected with coiled tubing；
The machinery give up (200) be arranged between the coiled tubing connector (100) and the centralizer (300)；
The collar locator (400) is arranged between the centralizer (300) and the abrasive perforating sliding sleeve (500)；
The bridging plug (700) includes：
Center-pole (704)；
It is fixed on the top connection (701) of the center-pole (704) one end；
The extrusion ring (708) being sheathed on the center-pole (704)；
It is fixed on the leading cone (707) of the center-pole (704) other end；
It is sheathed on the center-pole (704), and the bridging plug ring between the extrusion ring (708) and the leading cone (707)
Empty part, the bridging plug annular space part include two slip assemblies and the packing element (705) being arranged between two slip assemblies, the card
Watt component includes the conical guide member (709) being connected with the packing element (705) and the tool being connected with the conical guide member (709)
There is the monoblock type slips (706) of stress concentration groove, the slips is inserted in less one end of diameter of the conical guide member (709)
(706) in；
The top connection (701) and the leading cone (707) are occlusion structure.
2. tubing string string as claimed in claim 1, it is characterised in that the centre bore of the center-pole (704) passes through band seal
Blind plugging (703) closure, and the blind plugging (703) be arranged in the center-pole (704) close to the top connection (701) one
End.
3. tubing string string as claimed in claim 1, it is characterised in that the top connection (701) connects with the center-pole (704)
Connect, and plastic item (702) is provided with the top connection (701).
4. tubing string string as claimed in claim 1, it is characterised in that the top connection (701) is to be engaged with the leading cone (707)
Structure.
5. a kind of bridging plug sets the method made with abrasive perforating connection, it is characterised in that including step：
1) the tubing string string as described in claim any one of 1-4 is sent to underground with coiled tubing, passes through collar locator
(400) the tubing string string, is sent to precalculated position, bridging plug (700) is directed at predetermined setting position；
2) start the hydraulic setting tool (600) to set the bridging plug (700) and make the hydraulic setting tool (600) and institute
State bridging plug (700) disengaging；
3) coiled tubing is above carried, by the positioning of the collar locator (400), is directed at the abrasive perforating sliding sleeve (500)
Predetermined perforating site, nozzle of the perforating fluid through the abrasive perforating sliding sleeve (500), is shot through sleeve pipe, cement sheath and near wellbore formation, shape
Into preforation tunnel；
4) rise and tubing string string, implement huge discharge pressing crack construction in sleeve pipe, complete this section of construction；
5) after completing all sections of pressure break, tripping in bores mill bridging plug tubing string brill and grinds off all bridging plugs.
6. bridging plug as claimed in claim 5 sets the method made with abrasive perforating connection, it is characterised in that contains in the perforating fluid
There is quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428533.XA CN104196464B (en) | 2014-08-27 | 2014-08-27 | Tubing string string and bridging plug set the method made with abrasive perforating connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428533.XA CN104196464B (en) | 2014-08-27 | 2014-08-27 | Tubing string string and bridging plug set the method made with abrasive perforating connection |
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| Publication Number | Publication Date |
|---|---|
| CN104196464A CN104196464A (en) | 2014-12-10 |
| CN104196464B true CN104196464B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410428533.XA Active CN104196464B (en) | 2014-08-27 | 2014-08-27 | Tubing string string and bridging plug set the method made with abrasive perforating connection |
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| CN118391002B (en) * | 2024-06-27 | 2024-08-23 | 大庆市天德忠石油科技有限公司 | Environment-friendly hydraulic sand blasting perforation combined tool pipe column |
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| CN204326983U (en) * | 2014-08-27 | 2015-05-13 | 杰瑞能源服务有限公司 | Tubing string string |
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| CN102562019A (en) * | 2011-12-13 | 2012-07-11 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Sand jet perforation annular mechanical packing multilayer fracturing tool pipe column and modification process |
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